switching theory meaning in Hindi

Examples

1. His work in automata theory led the switching theory community into a more theoretical direction.
2. In the literature of computer design and switching theory, the identity is often incorrectly attributed to Shannon.
3. I guess I don't really understand the difference between type IIA and type IIB string theories and therefore I don't understand why switching theories would be significant.
4. Many of the first few Google hits for the term are actually talking about a priority "'encoder "'instead ! ( This book on switching theory, for example has a page that starts with the heading " Priority Decoder " that has the logic table for what Wikipedia calls an encoder ).